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Generalized One-Pot Strategy Enabling Different Surface Functionalizations of Carbon Nanodots to Produce Dual Emissions in Alcohol-Water Binary Systems
Liu, Dongya1,2; Qu, Fei1,2; Zhao, Xianen1,2,3; You, Jinmao1,2,3
2015-08-06
发表期刊JOURNAL OF PHYSICAL CHEMISTRY C
卷号119期号:31页码:17979-17987
文章类型Article
摘要Fluo-rescerit dual-emission carbon nanodots (DECNDs), which contained two different emitters, the blue emitters (lambda(ex) = 315 nm, lambda(em) = 386 nm) and the yellow emitters (lambda(ex) = 365 nm, = 530 nrri), were first and simply synthesized by one-step hydrothermal treatment using ascorbic acid (AA) as a carbon source in alcohol water binary systems. The two emitters could be easily separated through extraction with chloroform. A series of experiments demonstrated that the alcohol water binary systems played a vital role in synthesis of DECNDs, and the dual emissions were ascribed to two types of carbon nanodots due to the different modified ligands on their surfaces, such as ascorbic acid capped on the blue emitters and alcohol molecules capped on the yellow emitters. By taking advantage of the unique dual-emission characteristic, some new applications were developed. For instance, on the basis of the independent responses of dual emissions to low pH values, the DECNDs could be used as a reliable and accurate pH ensor in acid medium, and both intensity of a single emission and intensity ratios of dual emissions could be employed to construct calibrations for pH measurement. Bes'ides, the obtained DECNDs also exhibited excellent biocompatibility and low cytotoxicity, suggesting great potential for biomedical applications.; Fluo-rescerit dual-emission carbon nanodots (DECNDs), which contained two different emitters, the blue emitters (lambda(ex) = 315 nm, lambda(em) = 386 nm) and the yellow emitters (lambda(ex) = 365 nm, = 530 nrri), were first and simply synthesized by one-step hydrothermal treatment using ascorbic acid (AA) as a carbon source in alcohol water binary systems. The two emitters could be easily separated through extraction with chloroform. A series of experiments demonstrated that the alcohol water binary systems played a vital role in synthesis of DECNDs, and the dual emissions were ascribed to two types of carbon nanodots due to the different modified ligands on their surfaces, such as ascorbic acid capped on the blue emitters and alcohol molecules capped on the yellow emitters. By taking advantage of the unique dual-emission characteristic, some new applications were developed. For instance, on the basis of the independent responses of dual emissions to low pH values, the DECNDs could be used as a reliable and accurate pH ensor in acid medium, and both intensity of a single emission and intensity ratios of dual emissions could be employed to construct calibrations for pH measurement. Bes'ides, the obtained DECNDs also exhibited excellent biocompatibility and low cytotoxicity, suggesting great potential for biomedical applications.
WOS标题词Science & Technology ; Physical Sciences ; Technology
关键词[WOS]LARGE-SCALE SYNTHESIS ; QUANTUM DOTS ; EMERGENT NANOLIGHTS ; IN-VIVO ; NANOPARTICLES ; CARBONIZATION ; LUMINESCENCE ; SENSORS ; CU2+
收录类别SCI
语种英语
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science
WOS类目Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS记录号WOS:000359332200054
引用统计
被引频次:48[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/5524
专题中国科学院西北高原生物研究所
作者单位1.Qufu Normal Univ, Key Lab Life Organ Anal, Qufu 273165, Shandong, Peoples R China
2.Qufu Normal Univ, Key Lab Pharmaceut Intermediates & Anal Nat Med, Qufu 273165, Shandong, Peoples R China
3.Chinese Acad Sci, Northwest Inst Plateau Biol, Xining 810001, Peoples R China
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Liu, Dongya,Qu, Fei,Zhao, Xianen,et al. Generalized One-Pot Strategy Enabling Different Surface Functionalizations of Carbon Nanodots to Produce Dual Emissions in Alcohol-Water Binary Systems[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2015,119(31):17979-17987.
APA Liu, Dongya,Qu, Fei,Zhao, Xianen,&You, Jinmao.(2015).Generalized One-Pot Strategy Enabling Different Surface Functionalizations of Carbon Nanodots to Produce Dual Emissions in Alcohol-Water Binary Systems.JOURNAL OF PHYSICAL CHEMISTRY C,119(31),17979-17987.
MLA Liu, Dongya,et al."Generalized One-Pot Strategy Enabling Different Surface Functionalizations of Carbon Nanodots to Produce Dual Emissions in Alcohol-Water Binary Systems".JOURNAL OF PHYSICAL CHEMISTRY C 119.31(2015):17979-17987.
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